Properties of the Number 90621

Ninety Thousand Six Hundred Twenty-One

Basics

Value: 90620 → 90621 → 90622

Parity: odd

Prime: No

Previous Prime: 90619

Next Prime: 90631

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 10069

Divisors: 1, 3, 9, 10069, 30207, 90621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000111111101

Octal: 260775

Duodecimal: 44539

Hexadecimal: 161fd

Square: 8212165641

Square Root: 301.03322075810837

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of partitions of n where the difference between consecutive parts is at most 6. A238866

a(n) = (3ⁿ-1)/2 + 2ⁿ. A94374

O.g.f.: ∑_n>=0 (n⁴*x)ⁿ/(1-n⁴*x)ⁿ * exp(-n⁴*x/(1-n⁴*x)) / n!. A222054

Start with 1 and repeatedly reverse the digits and add 64 to get the next term. A118159

Exponent of highest power of 16 dividing n!. A90621